title: [Dynamics of selenium in the blood of cows during the year and in pregnancy].
mesh_terms: D000818:Animals; D002417:Cattle / Q000097:blood*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D012621:Seasons; D012643:Selenium / Q000097:blood*
chemical_list: D012643:Selenium
vernacular_title: Dynamika selénu v krvnom sére kráv v priebehu roka a pocas gravidity.